| Luoyuan | |
| Other Name: | Loyuan; Loyüan |
| Postal Code Type: | Postal code |
| Settlement Type: | County |
| Pushpin Map: | China Fujian |
| Pushpin Label: | Luoyuan |
| Pushpin Map Caption: | Location in Fujian |
| Subdivision Type: | Country |
| Subdivision Name: | People's Republic of China |
| Subdivision Type1: | Province |
| Subdivision Name1: | Fujian |
| Subdivision Type2: | Prefecture-level city |
| Subdivision Name2: | Fuzhou |
| Area Total Km2: | 1187 |
| Population As Of: | 2012 |
| Population Density Km2: | auto |
| Coordinates: | 26.5°N 152°W |
| Timezone: | China Standard |
| Utc Offset: | +8 |
| Population Total: | 260000 |
Luoyuan County (; Foochow Romanized: Lò̤-nguòng) is a county on the northeast coast of Fujian Province, China, it is under the administration of the prefecture-level city of Fuzhou, the provincial capital.[1] The county spans an area of 1,187 square kilometers, and has a population of approximately 260,000 as of 2012. The county's administrative center is the town of .
Luoyuan County administers 6 towns, 4 townships, and 1 ethnic township.[2]
The county's 6 towns are, Songshan,,,, and .
The county's 4 townships are,,, and .
The county's sole ethnic township is Huokou She Ethnic Township.
The Wenzhou–Fuzhou railway and National Highway 104 both run through the county.